Which Statement by the Patient Diagnosed with Hepatitis Indicates the Need

Which statement by the patient diagnosed with hepatitis indicates the need for further teaching?

A) "After I take a walk, I will rest for about an hour."
B) "The prescribed antiemetic medication will decrease my nausea."
C) "A vaccine would not have helped me because I have hepatitis A."
D) "I will use a nutritional supplement to ensure I get enough calories each day."